Home / 76,278,989.27-114,406,225.77-20,933,893.15

Finding the Fourth Proportional to 76,278,989.27, 114,406,225.77 and 20,933,893.15

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Solution

The fourth proportional to 76,278,989.27, 114,406,225.77 and 20,933,893.15 is: 31,397,475.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,278,989.27 : 114,406,225.77 = 20,933,893.15 : x
  2. Step 2: Convert to fraction form
    76,278,989.27/114,406,225.77 = 20,933,893.15/x
  3. Step 3: Cross multiply
    76,278,989.27x = 114,406,225.77 × 20,933,893.15
  4. Step 4: Simplify right side
    76,278,989.27x = 2,394,967,705,901,795
  5. Step 5: Solve for x
    x = 2,394,967,705,901,795/76,278,989.27
  6. Step 6: Final answer
    x = 31,397,475.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.